'use strict'
const path = require('path')
const webpack = require('webpack')

function resolve(dir) {
  return path.join(__dirname, dir)
}

// 设置浏览器标签栏的 title
const name = process.env.VUE_APP_TITLE || '河北省企业安全生产诚信管理系统' // 网页标题

// 设置本地服务端口
const port = process.env.port || 80 // 端口

module.exports = {
  // 默认情况下，Vue CLI 会假设你的应用是被部署在一个域名的根路径上，例如 https://www.my-app.com/。如果应用被部署在一个子路径上，你就需要用这个选项指定这个子路径。例如，如果你的应用被部署在 https://www.my-app.com/my-app/，则设置 publicPath 为 /my-app/。
  // publicPath: process.env.NODE_ENV === "production" ? process.env.VUE_APP_PROJECT_BASE_URL : "/",
  publicPath: './',////相对路径访问
  // 当运行 vue-cli-service build 时生成的生产环境构建文件的目录。注意目标目录的内容在构建之前会被清除 (构建时传入 --no-clean 可关闭该行为)
  outputDir: 'dist',
  // 用于放置生成的静态资源 (js、css、img、fonts) 的；（项目打包之后，静态资源会放在这个文件夹下）
  assetsDir: 'static',
  // 是否开启eslint保存检测，有效值：ture | false | 'error'
  lintOnSave: false && process.env.NODE_ENV === 'development',
  // 如果你不需要生产环境的 source map，可以将其设置为 false 以加速生产环境构建。
  productionSourceMap: false,
  // webpack-dev-server 相关配置
  devServer: {
    host: '0.0.0.0',
    port: port,
    // open: true,
    proxy: {
    //   // detail: https://cli.vuejs.org/config/#devserver-proxy
      [process.env.VUE_APP_BASE_API]: {
        target: `http://127.0.0.1:8080`,
        changeOrigin: true,
        pathRewrite: {
          ['^' + process.env.VUE_APP_BASE_API]: ''
        }
      }
    },
    // disableHostCheck: true
    client: {
      overlay: false,
    },
  },
  css: {
    loaderOptions: {
      sass: {
        sassOptions: { outputStyle: "expanded" }
      },
    }
  },
  configureWebpack: {
    name: name,
    resolve: {
      alias: {
        '@': resolve('src')
      }
    }
  },
  chainWebpack(config) {
    config.plugins.delete('preload') // TODO: need test
    config.plugins.delete('prefetch') // TODO: need test

    // set svg-sprite-loader
    config.module
        .rule('svg')
        .exclude.add(resolve('src/assets/icons'))
        .end()
    config.module
        .rule('icons')
        .test(/\.svg$/)
        .include.add(resolve('src/assets/icons'))
        .end()
        .use('svg-sprite-loader')
        .loader('svg-sprite-loader')
        .options({
          symbolId: 'icon-[name]'
        })
        .end()

    // quill富文本图片大小控制组件
    config.plugin('provide').use(webpack.ProvidePlugin, [{
      'window.Quill': 'quill'
    }]);


    config
        .when(process.env.NODE_ENV !== 'development',
            config => {
              config
                  .plugin('ScriptExtHtmlWebpackPlugin')
                  .after('html')
                  .use('script-ext-html-webpack-plugin', [{
                    // `runtime` must same as runtimeChunk name. default is `runtime`
                    inline: /runtime\..*\.js$/
                  }])
                  .end()
              config
                  .optimization.splitChunks({
                chunks: 'all',
                cacheGroups: {
                  libs: {
                    name: 'chunk-libs',
                    test: /[\\/]node_modules[\\/]/,
                    priority: 10,
                    chunks: 'initial' // only package third parties that are initially dependent
                  },
                  elementUI: {
                    name: 'chunk-elementUI', // split elementUI into a single package
                    priority: 20, // the weight needs to be larger than libs and app or it will be packaged into libs or app
                    test: /[\\/]node_modules[\\/]_?element-ui(.*)/ // in order to adapt to cnpm
                  },
                  commons: {
                    name: 'chunk-commons',
                    test: resolve('src/components'), // can customize your rules
                    minChunks: 3, //  minimum common number
                    priority: 5,
                    reuseExistingChunk: true
                  }
                }
              })
              config.optimization.runtimeChunk('single'),
                  {
                    from: path.resolve(__dirname, './public/robots.txt'), //防爬虫文件
                    to: './' //到根目录下
                  }
            }
        )
  }
}
